Hamm’s latest at Intermat

The operator console moves with the seat, which can be set at any position across the full width of the cab and provides an excellent view of the drums from any position.The new Hamms are the first tandem rollers in their weight class in the world that can operate simultaneously with different frequencies in the front and rear drums during dynamic compaction. A new articulated joint offers improved stability and quality when compacting on bends. The offset during crab steering is almost double that of previous machines in the HD series, facilitating compaction against a kerb or wall. The water tank capacity of nearly 1200 litres allows a shift to be completed without the need to refill the spray tank.Hamm distributor Wirtgen Australia says first stocks are expected here in late 2009. The HD+ series will ultimately be extended downwards, replacing some existing HD series machines.Hamm will release two more rollers at Intermat: the 4t HD 14 TT pneumatic roller, with an operating width of 1.28m, and the 7t DV 65 all wheel drive tandem. It will also show the new HCQ Asphalt Navigator measurement and documentation technology, which records the number of passes and determines the temperature across the asphalt area, using colour coding to show the operator the priority for the next area to be compacted.Lebrero rollers were originally distributed in Australia by Mole Engineering, before its collapse. Carrington Equipment, which has since taken on distribution, says the market still remembers the high-impact performance of the large, single drum rollers in the Lebrero range.While the current X series roller is an advance on the generation of rollers previously sold in Australia, these machines retain the High Impact Roller technology of earlier generations, whereby the full mass of the drum and frame, rather than of the drum alone, is used in providing compaction force. This translates to more compaction energy for the same operating weight, compared to a conventional single drum vibratory roller, using higher than normal amplitudes.Despite the difficult market conditions since the roller was reintroduced, around 15 new machines are now operating in Australia and the market appears to be aware of the Lebrero brand and its capabilities.

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